contributors

Question 1

Invented the microscope and examined cells

Answer 1

Robert Hooke (1665)

Question 2

witnessed a live plant cell under the microscope

Answer 2

Anton Van Leeuwenhoek (1647)

Question 3

proposed a mechanism for photosynthesis and investigated cell respiration in animals

Answer 3

Antoine Lavoisier (1775)

Question 4

dominated chemistry with the concept of fire; marked onset of physiological chemistry

Answer 4

Phlogiston Theory (177-1783)

Question 5

Proposed cell theory and fermentation limited to living yeast cells

Answer 5

Theodore Schwann (1836)

Question 6

showed fermentation depends on the physiological functions of bacteria and living yeast cells

Answer 6

Louis Pasteur (1856)

Question 7

Protoplasm carries out intracellular processes

Answer 7

1860’s

Question 8

identified “nuclein” inside the nulcei of human white blood cells

Answer 8

Friedrich Miescher (1869)

Question 9

prepared zymase, fermented it to glucose, and introduced the concept of an enzyme

Answer 9

Eduard Buchner (1900)

Question 10

the term “biochemistry” was officially created by german, chemist Carl Neuberg

Answer 10

1903

Question 11

Discovered the order of nucleotide components and the carbohydrate components of RNA and DNA.

Answer 11

Phoebus Levene (1919)

Question 12

Discovered the process of citric acid cycle

Answer 12

Hans Krebs (1973)

Question 13

Suggested that DNA was the genetic material of a cell

Answer 13

Oswald Avery (1994)

Question 14

Challenged the Leven’s conclusions, discovered that DNA compositions vary among species, and postulated “Chargaff’s Rule”.

Answer 14

Erwin Chargaff (1950)

Question 15

Cracking of the genetic code, revealing 64 triplets of nucleotides (codons)

Answer 15

1961

Question 16

Sequenced the genome of a bacteriophage and the DNA of the human mitochondrial genome.

Answer 16

Fred Sanger (1977)

Question 17

Biochemistry helped the world of science in new research and inventions.

Answer 17

Present Time